Formation of TiN, TiC and TiCN by metal plasma immersion ion implantation and deposition

Huber, Peter J.; Manova, D.; Mändl, S.; Rauschenbach, B.

doi:10.1016/s0257-8972(03)00458-4

Cited by 52 publications

(31 citation statements)

References 24 publications

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“…So it is widely used for cutting material, abrasion, anti-wear and aerospace materials. [6][7] Fe-Cr-TiC can be produced by various technologies, some of these technologies include exothermic dispersion(XD), liquid-solid or liquid-liquid reactions, and self-propagation high-temperature synthesis (SHS).Patrick person et al [8] produced Fe-TiC composites, however, manufacturing of Fe-TiC composites using SHS will encounter large difficulties handling the intrinsic porosity during reaction. S.C.T Jong G.S Wang The phase diagram ( Figure 1) describes the composites consisting of reinforcements of TiC in the matrix of ironChromium.…”

Section: Introductionmentioning

confidence: 99%

In-Situ Tic Precipitation in Molten Fe-Cr-C and Their Characterization

Srinivasa¹

2017

IJRET

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Section: Introductionmentioning

confidence: 99%

In-Situ Tic Precipitation in Molten Fe-Cr-C and Their Characterization

Srinivasa¹

2017

IJRET

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“…Camadas de TiCN apresentam um baixo coeficiente de atrito e uma melhor resistência ao desgaste que camadas de TiN, independente do material associado [6]. As múltiplas fases dos filmes finos de TiCN, combinam as vantagens de alta dureza do TiC e alta ductilidade e força de adesão do TiN, possuindo melhores propriedades mecânicas que uma única fase de TiC ou TiN [7,8]. A morfologia, estrutura e composição do TiCN são investigadas em vários estudos [9,10] [11,12,13].…”

Section: Introductionunclassified

Modificação da superfície e das propriedades tribológicas do titânio por carbonitretação a plasma

Rocha¹,

Braz²,

Barbosa³

et al. 2011

Matéria (Rio J.)

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RESUMOSuperfícies de TiCxNy foram produzidas por tratamento termoquímico auxiliado por mistura de plasma N2 -Ar -CH4. A influência da concentração do metano, bem como a inserção de átomos C e N na rede cristalina do Ti foram investigadas através da caracterização das propriedades tribomecânicas desse material. Para tanto, amostras de titânio comercialmente puro (grau II) foram carbonitretadas em plasma com mistura de x N2 -y Ar -z CH4 (onde x e y = 4 sccm e z variando de 2,3 e 4 sccm) a 500°C, durante 1 h. Os perfis de concentração de C e N após o tratamento foram analisados por reação nuclear (NRA). As fases na superfície foram identificadas por difração de raios-X com incidência rasante (GIXRD). Foi utilizado ensaio de pino sobre disco para determinação do coeficiente de atrito, cujas áreas desgastadas foram avaliadas por perfilometria e microscopia eletrônica de varredura (MEV). Foi observado que tanto o coeficiente de atrito quanto o mecanismo de desgaste do titânio foram fortemente dependentes da concentração de C e N na superfície. Porém, o perfil de concentração desses elementos intersticiais não foi diretamente proporcional ao fluxo de metano.Palavras chaves: plasma, titânio, carbonitretação, tribologia. Tribological properties modification of titanium by plasma carbonitriding ABSTRACTTiCxNy surfaces were produced by thermochemical treatment achieved by N 2 -Ar -CH 4 plasma mixture. The influence of methane concentration and C and N atoms inserted into the crystalline lattice of Ti were investigated through the characterization of its tribomechanical properties. Therefore, commercially pure Ti (grade II) samples were carbonitrided in the x N 2 -y Ar -z CH 4 plasma mixture (where x and y = 4 SCCM and z = 2, 3 and 4 SCCM) at 500 °C, during 1 h. C and N concentration profile after treatments were determinate by NRA. The superficial phases were identified by GIXRD. Pin-on-disk assays were utilized to determine the friction coefficient, whose damaged areas were studied by perfilometry and scanning electron microscopy (SEM) techniques. It was observed that the friction coefficient and the damage mechanism of Ti are intensively dependent of C and N concentration on the surface. However, the concentration profile of those interstitial elements is not directly proportional to the methane gas flow.Keywords: plasma, titanium, carbonitriding, tribology. INTRODUÇÃOO titânio e suas ligas possuem várias propriedades que as habilitam para serem usadas em muitas aplicações industriais. Algumas de suas vantagens são: excelente resistência à corrosão e erosão, baixa densidade e alta razão de E/m (módulo de elasticidade/massa), permitindo estruturas mais leves e mais resistentes; capacidade de trabalho em altas temperaturas e, em alguns casos, propriedades criogênicas. Entretanto, elas apresentam algumas limitações que reduzem o seu espectro de aplicações, especialmente

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“…The most conventional methods used to fabricate TiC powders commercially involve carbothermal reduction of a mixture (TiO 2 and carbon black), and the equation of the reaction is as follows [5]: TiO 2 (s) + 3C (s) = TiC (s) + 2CO (g) 'G = 114.94 KJ/mol(at 1200 K)…”

Section: Introductionmentioning

confidence: 99%

“…It is possible to reduce the cost of using TiO 2 powders as raw materials [5]. However, the carbothermal reduction process requires a high temperature (1973-2373 K) and a long reaction time (10-24 h) because of the solid state of TiO 2 and carbon [5].…”

Section: Introductionmentioning

confidence: 99%

“…However, the carbothermal reduction process requires a high temperature (1973-2373 K) and a long reaction time (10-24 h) because of the solid state of TiO 2 and carbon [5]. In addition, the particle size of the fabricated TiC powders depends on the size of the raw TiO 2 powders, and it is difficult to produce submicron powders by carbothermal reduction unless the size of the raw powders is below submicron size.…”

Section: Introductionmentioning

confidence: 99%

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Synthesis of titanium carbide by thermo-chemical methods with TiH2 and carbon black powders

et al. 2006

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A new synthesizing method for producing submicron TiC powders was studied by using TiH 2 and carbon black powders. It is well known that hydrogen absorption transforms titanium from metal (h.c.p.) to brittle hydride (f.c.c.) powders by ball-milling. This research focused on obtaining submicron-sized TiC powders from the ball-milled mixture of TiH 2 and carbon black by thermal treatment. The hydrogen, carbon, iron, and oxygen composition changes in the mixed powders were analyzed. Thereafter, a differential thermal analysis (DTA) test was performed to observe change of phase with ball-milling time. The TiC powders were obtained by heat treating the powders milled for 5 h at various temperatures (600-1200 o C). The phase microstructure was investigated via DTA, X-ray diffraction (XRD), and scanning electron microscope (SEM). The mixture milled for 2 h had an f.c.t. structure containing 66.73 at.%H transformed to f.c.c. by milling for 4 h. After 5 h of ball-milling, submicron-sized particles of 273 nm were obtained. At the isothermal heat-treating temperature of 500 o C, the Ti single phase was formed completely, and the TiC phase of lattice parameter 0.310 nm was completely formed over the temperature of 1000 o C.

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Formation of TiN, TiC and TiCN by metal plasma immersion ion implantation and deposition

Cited by 52 publications

References 24 publications

In-Situ Tic Precipitation in Molten Fe-Cr-C and Their Characterization

In-Situ Tic Precipitation in Molten Fe-Cr-C and Their Characterization

Modificação da superfície e das propriedades tribológicas do titânio por carbonitretação a plasma

Synthesis of titanium carbide by thermo-chemical methods with TiH2 and carbon black powders

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